78981738 (number)

78981738 is an even 8-digits composite number following 78981737 and preceding 78981739. In scientific notation, it is written as 7.8981738 × 10^7. The sum of its digits is 51. It has a total of 5 prime factors and 32 positive divisors. There are 23161200 positive integers (up to 78981738) that are relatively prime to 78981738.

Interesting facts

Basic properties

Name

Name seventy-eight million nine hundred eighty-one thousand seven hundred thirty-eight

Notation

Scientific notation 7.8981738 × 10^7
Engineering notation 7.8981738 × 10^6

Prime Factorization of 78981738

Prime Factorization 2 × 11 × 31 × 3 × 38603

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 78981738
Product of the distinct prime numbers

The prime factorization of 78981738 is 2 × 11 × 31 × 3 × 38603. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 3, 39, 11, 756, 786, 2682, 4031, 70747, 61959, 920905, 320443, 1263045, 3561563, 61196118, 48591630, 404936285, 729349962, 6616029400, 2558492315

Basic calculations (n = 78981738)

Multiplication

n×y
n×2 157963476
n×3 236945214
n×4 315926952
n×5 394908690

Division

n÷y
n÷2 39490869
n÷3 26327246
n÷3 19745434.5
n÷5 15796347.6

Exponentiation

ny
n2 6238114937500644
n3 4.9269715960756E+23
n4 3.8914077973469E+31
n5 3.0735015110121E+39

Nth Root

y√n
2√n 8887.1670401765
3√n 429.05097714708
4√n 94.271772234198
5√n 37.975660594105

Divisors of 78981738

1, 2, 3, 6, 11, 22, 31, 33, 62, 66, 93, 186, 341, 682, 1023, 2046, 38603, 77206, 115809, 231618, 424633, 849266, 1196693, 1273899, 2393386, 2547798, 3590079, 7180158, 13163623, 26327246, 39490869, 78981738

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -78981737
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 78981738 can be divided by 32 positive divisors. The sum of these divisors (counting 78981738) is 1, the average is 0.03125.

Base conversion 78981738

Base System Value
2 Binary 100101101010010101001101010
3 Ternary 12111121200120120
4 Quaternary 10231102221222
5 Quinary 130204403423
6 Senary 11500504110
8 Octal 455225152
10 Decimal 78981738
12 Duodecimal 2254b036
16 Hexadecimal 4b52a6a
20 Vigesimal 14dce6i
36 Base36 1b0up6

Cryptographic Hash Functions

md5 a21c63375ead8765e23992acc077bc77
sha1 0fd0f110a2a3c03a803568be414f2c7a5e6e1911
sha256 f7f90db6a576269d7c4a83ad868c05f1744ee28ea772084fa3cf8ff10f0ecc0d
sha512 e0f20d22505922a990d8ad0ad5d1642268e04fe9aa049a0b93e56f719bb800f3a17e262775145898501cb84d3fa40cf529b55a353181e7f38aa4e10e1975f3e3
ripemd-160 fafa3c53da18ab28ac947e12d8b083a7604b09c3

78981738 as geometric shapes

Circle

Radius = n
Diameter 157963476
Circumference 496256895.73711
Area 1.9597616059901E+16

Sphere

Radius = n
Volume 2.0638050360902E+24
Surface area 7.8390464239603E+16
Circumference 496256895.73711

Square

Length = n
Perimeter 315926952
Area 6238114937500644
Diagonal 111697045.0594

Cube

Length = n
Surface area 37428689625003864
Volume 4.9269715960756E+23
Space diagonal 136800383.08609

Equilateral Triangle

Length = n
Perimeter 236945214
Area 2.7011830038014E+15
Altitude 68400191.543047

Triangular Pyramid

Length = n
Surface area 2.7011830038014E+15
Volume 5.8064917104976E+22
Height 37232348.353133